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Block 640 Choa Chu Kang Street 64

4 Room · Executive · Built 1998 · 70 years remaining lease · Updated Apr 2026 MOP Cleared

Block 640 Choa Chu Kang Street 64 has 25 recorded HDB resale transactions since 2017. Latest sale: $950,000 (Apr 2026, executive, floors 13–15). Median $5,380/sqm. Prices up 27.5% over the past five years. Built 1998, 70 years lease remaining.

Latest Sale
$950,000
Apr 2026 · EXECUTIVE · Floor 13-15
Median $/sqm
$5,380
Based on 25 transactions
Total Transactions
25
Since Jan 2017
5-Year Trend
▲ +27.5%
Median price change
Median Price ?
Top 19%
#101 / 518 Top 19%
Latest Sale ?
Top 1%
#1 / 518 Top 1%
Value ($/sqm) ?
Top 10%
#51 / 518 Top 10%
5-Year Growth ?
Top 67%
#244 / 366 Top 67%
Price Trend
Source: HDB Resale Flat Prices, data.gov.sg. Updated monthly.
What's Your Unit Worth?
HDB records transactions in 3-storey bands (e.g. 01 TO 03). Pick the band closest to your floor.
Estimated Market Value
--
How we estimate this →
Future Value Projection
Market Appreciation
+5%/yr
vs
Lease Decay
−0.34%/yr
Growth assumption
Based on this block’s +27.5% growth over 5 years
Estimated value in --
--
Market appreciation --
Lease decay --
Net effect --
Projection uses Bala's Table (SLA leasehold model) for lease decay and your selected growth rate for appreciation. Lease decay is non-linear and accelerates as remaining lease shortens. Past growth does not guarantee future performance. Not financial advice.
Lease Decay Projection
0 years 70 years remaining 99 years
70 years 10 months
Remaining lease
↓ 0.34%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 70 years remaining, decay is gradual (~0.34%/yr). It accelerates significantly below 40 years. Market appreciation (historically 2-4%/yr) currently outpaces lease decay for this block.
Rental & Yield

What this block rents for, and the gross rental yield (annual rent ÷ resale price). Figures are from rentals at this block where available.

Flat type Median rent /mo Gross yield Based on
4-Room $3,100 typically $3,000–$3,150 5.8% 7 rentals here
Executive $3,500 typically $3,200–$3,800 5% Choa Chu Kang avg · block too thin
Gross yield is annual rent before maintenance, property tax, and vacancy, so net return is lower. Renting out a whole HDB flat requires meeting the 5-year Minimum Occupation Period and HDB approval. Rents are owner-declared to HDB and unverified.
Source: HDB Renting Out of Flats, data.gov.sg (Singapore Open Data Licence).
Primary schools nearby

This block is inside the 1 km Primary 1 priority zone for 4 popular schools. When a school is oversubscribed, MOE ballots by home–school distance, and homes within 1 km are drawn first.

Compare homes near all 50 popular schools
Distances are straight-line estimates from this block, indicative only. MOE measures from its own school reference point, so confirm the exact distance before relying on it.
Where this home sits, and its schools
4 schools in the 1 km top-priority zone
  • This home
  • School within 1 km
  • School 1–2 km
  • 1km ring, top priority
  • 2km ring, next tier

Straight-line distances, the basis MOE uses for Home–School Distance priority. Tap a school to open it. Map © OneMap, SLA.

Nearby comparable homes

Other HDB blocks closest to Block 640 Choa Chu Kang Street 64 in Choa Chu Kang, with their median resale price. Useful for comparing what a flat here costs against its immediate neighbours.

See all HDB blocks in Choa Chu Kang
Distances are straight-line estimates from this home, indicative only. Prices are medians of recorded resale transactions, not asking prices.
All Transactions
Date Floor Type Area Price $/sqm
Apr 2026 13 TO 15 EXECUTIVE 145 sqm $950,000 $6,552
Mar 2026 07 TO 09 4 ROOM 100 sqm $642,000 $6,420
May 2025 10 TO 12 4 ROOM 100 sqm $690,000 $6,900
May 2025 13 TO 15 4 ROOM 100 sqm $650,000 $6,500
Apr 2025 16 TO 18 EXECUTIVE 145 sqm $980,000 $6,759
May 2024 16 TO 18 EXECUTIVE 145 sqm $885,000 $6,103
Apr 2024 10 TO 12 4 ROOM 100 sqm $565,000 $5,650
Apr 2024 16 TO 18 4 ROOM 100 sqm $600,000 $6,000
Mar 2023 10 TO 12 EXECUTIVE 145 sqm $845,000 $5,828
Feb 2023 01 TO 03 4 ROOM 100 sqm $538,000 $5,380
Aug 2022 16 TO 18 4 ROOM 100 sqm $570,000 $5,700
Jul 2022 16 TO 18 EXECUTIVE 145 sqm $880,000 $6,069
Jun 2022 04 TO 06 EXECUTIVE 145 sqm $755,000 $5,207
Mar 2022 16 TO 18 4 ROOM 100 sqm $565,000 $5,650
Oct 2021 07 TO 09 4 ROOM 100 sqm $532,000 $5,320
Sep 2021 13 TO 15 4 ROOM 100 sqm $510,000 $5,100
Jun 2021 04 TO 06 4 ROOM 100 sqm $500,000 $5,000
Dec 2019 07 TO 09 4 ROOM 100 sqm $405,000 $4,050
Nov 2019 01 TO 03 4 ROOM 100 sqm $405,000 $4,050
Oct 2019 16 TO 18 EXECUTIVE 145 sqm $675,000 $4,655
Showing 20 of 25 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 640 Choa Chu Kang Street 64

Block 640 Choa Chu Kang Street 64 in Choa Chu Kang has been a strong performer, with resale prices up roughly 27.5% over five years. Its median runs about 18% above the Choa Chu Kang median, ahead of around 81% of the town's blocks. It has a regular flow of resale activity, with 25 transactions since 2017 across 4 room, executive flats priced from $405,000 to $980,000. The most recent transaction was an executive flat on storeys 13 TO 15 at $950,000 in Apr 2026, and the median works out to $5,380/sqm. Higher floors carry a premium, with the 16 TO 18 band trading roughly 18% above the 07 TO 09 band. Under Bala's Table (the SLA leasehold valuation model), its leasehold relativity ratio is 0.9126, an annual lease decay of about 0.34%. All transaction data is sourced from data.gov.sg and updated monthly.

Frequently Asked Questions

How much is an HDB flat at Block 640 Choa Chu Kang Street 64 worth?

The most recent resale transaction at Block 640 Choa Chu Kang Street 64 was $950,000 for a executive flat in 2026-04. The median price per square metre across all flat types is $5,380, based on 25 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 640 Choa Chu Kang Street 64?

Block 640 Choa Chu Kang Street 64 was built in 1998 and has approximately 70 years and 10 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.34%, meaning the leasehold value decreases by approximately 0.34% per year at the current remaining lease.

What flat types are available at Block 640 Choa Chu Kang Street 64?

Block 640 Choa Chu Kang Street 64 in Choa Chu Kang contains 4 room, executive flats. Resale prices range from $405,000 to $980,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 640 Choa Chu Kang Street 64 gone up or down?

Resale prices at Block 640 Choa Chu Kang Street 64 have increased by approximately 27.5% over the past five years. The current median price is $570,000, with the most recent sale at $950,000 in 2026-04.

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